研究发现，当灯亮着时，身体会放慢分泌荷尔蒙褪黑素的速度或停止分泌，要远离任何光源，甚至是正在充电的智能手机发出的蓝光。
Research has found that the body will slow or stop it with light on, get away from any light, even the blue light from your charging smart phone.
只有当你的快门速度超过普通同步速度时，相机和闪光灯才会开启高速同步。
Your camera and flash will only use it if you are shooting beyond the normal sync speed.
同样，当你在室外跑步时，因为不同的因素你是以不同的速度在跑步，比如风，山丘，交通灯，和变化的天气。
Also, when you're running outside, you're running at different speeds because of different factors, such as wind, hills, traffic lights, and changing weather conditions.
但正当我要离开的时候，那灯又亮了，而它前面的那盏灯则熄灭，就这样，大厅里的灯这盏亮那盏灭的一直快速重复着，速度越来越快，朝着我的方向延伸过来。
As I was about to walk away, it came back on as the light in front of it flicked off. It did this in rapid succession down the hall towards me, faster and faster.
利用这些信息，“信号专家”就可以计算出一个区域的交通灯时刻表，并为驾驶员建议可供参考的行驶速度，避免在交通路口遭遇红灯。
Using this information, SignalGuru is able to calculate the traffic-light schedule for the region and suggest the speed at which a driver should travel in order to avoid running into red lights.
默认的设置是由 3 个按钮组成的序列，而且亮灯速度非常缓慢。
在阿姆斯特丹的部分地区的交通灯甚至是比照自行车的速度设定的。
Traffic lights in parts of Amsterdam are even synchronized to bike speed.
这个同步速度是热靴接口闪光灯能同步并允许正确曝光的最快快门速度，不过还有个办法超越这个限制，这还得再次感谢工程师们。
This sync speed is the maximum your hot shoe flash will sync and provide you with properly exposed images. But wait.
许多车在速度表上有“换挡指示灯”或标识，提示您什么时候应该换挡，别让引擎转速过高。
Many cars have a "shift Light" or indications on the speedometer that will tell you when you need to shift so you don't rev the engine too fast.
头顶上的灯向司机里奇·坎普纳发出信号，指示前面那辆客车已经开走，他们可以每小时40英里的正常速度继续运行。
Overhead lights signaled to engineer Rich Campana that the passenger train ahead was out of the way, and they could resume their normal speed of 40 miles per hour.
当达到所需的闪烁速率，释放尾帽开关和指示灯闪烁继续以这一速度。
When the desired blink rate is reached, release the tail cap switch and the light will continue to blink at this rate.
在你跑步什这样做可以帮助你逐步提高你的速度，使你的路跑更有趣味，并教会你别用霓虹灯彰显你的固定位置。
Doing that while you run helps you develop your speed, makes your road work more interesting and teaches you not to advertise your set point with flashing neon lights.
按照此系统的设计方法，只要采用模数转换速度足够高的AD器件，就可以实现对大多数闪光灯特性曲线的获取。
The system can measure characteristic curves of most flash lamps as long as an AD device with sufficient speed is employed.
如果你放大到近距离照片：灯是不够强大，相机试图弥补风险，它可能会自动设置快门速度降低到1秒，2秒。
If you zoom in to take close-up photo: the lights is not strong enough, the camera tries to make up the exposure, it might automatically set the shutter speed down to 1 seconds, 2 seconds.
控制面板上除制冷、风扇、风扇速度等控制开关外，还应有工作指示灯和故障指示灯。
In addition to control switches of refrigeration, fan, fan speed etc. on control panel, it should also be equipped with operation and fault indicator lamps.
压力、片厚、充填、速度调节手轮，各类指示灯、表牌、按钮均设在同一方向，观察、操作方便。
It's very convenient to observe, operate the pressure, thickness, feeding, speed adjustable hand wheels and all kinds of buttons, indicating lights and indicators are at the same side.
背景灯、读写内存、无线连接、特殊的硬件和处理器速度，所有这些会对总体功耗产生重要的影响。
Backlighting, reading and writing to memory, wireless connections, specialized hardware, and processor speed all have an impact on the overall power usage.
科学家们测试了志愿者们被闪光灯分散注意力时的反应速度和准确程度。
Scientists tested volunteers' reaction speeds and accuracy while distracting them with flashing lights.
通过将快门速度降的足够低，并且闪灯不把背景打的过亮，你就能保留背景的大部分的细节。
By bringing the shutter speed low enough that available light registers on the image, you can retain most of the mood of a setting by not over-powering it with flash.
最常见的方式是，闪光灯开启，改善前景细部，而相机减慢快门速度，以捕捉细部清晰、光线自然的背景。
Most commonly, the flash fires to enhance detail in the foreground, while the camera slows its shutter speed to capture a detailed, naturally lit backdrop.
车辆在紧急制动时自动打开警示灯连续闪烁，险情解除后，驾驶员把车辆加速到正常速度时再去解除警示灯，这样就提高了大家的行车安全，从而防止了追尾事故的发生。
However, we still use the emergency lamp of the 40s, and when emergency braking or an accident takes place, only by manual can the driver make alarm light flashed.
车辆在紧急制动时自动打开警示灯连续闪烁，险情解除后，驾驶员把车辆加速到正常速度时再去解除警示灯，这样就提高了大家的行车安全，从而防止了追尾事故的发生。
However, we still use the emergency lamp of the 40s, and when emergency braking or an accident takes place, only by manual can the driver make alarm light flashed.
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